8

Set 2: Trigonometry (Intermediate)

Explanation

Answer: C

PROBLEM

Intriguingly, in a right triangle, the opposite side is 3, adjacent side is 4, and hypotenuse is 5. Find sin(angle).

In a right triangle, the opposite side is 3, adjacent side is 4, and hypotenuse is 5. Find sin(angle).

A.

3/4

B.

5/3

C.

3/5

✓ Correct
D.

4/5

Detailed Explanation

[Variation 2] Choice C is the best answer. sin = opposite/hypotenuse = 3/5

Why others are wrong:
A: 3/4 is incorrect because it does not satisfy the equation.
B: 5/3 is incorrect because it does not satisfy the equation.
D: 4/5 is incorrect because it does not satisfy the equation.